Category:QF 4 inch Mk XII Mk XXII naval gun
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English: The British QF Mk XII and Mk XXII naval guns, 40-calibres, an adaptation of the QF 4 inch Mk IV gun for use on submarines in World War I and World War II.
Media in category "QF 4 inch Mk XII Mk XXII naval gun"
The following 3 files are in this category, out of 3 total.
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